<template>
  <div>
    COMMON
    <button @click="n++">{{ n }}</button>
  </div>
</template>
<script>
export default {
  data() {
    return {
      n: 1,
    };
  },
  created() {},
  computed: {},
  methods: {},
};
</script>
<style lang='less'  scoped>
div {
  font-size: 25px;
}
</style>
